Analysis
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max time kernel
124s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20231020-en -
resource tags
arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system -
submitted
22-10-2023 07:14
Static task
static1
Behavioral task
behavioral1
Sample
KH098765680000000.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
KH098765680000000.exe
Resource
win10v2004-20231020-en
General
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Target
KH098765680000000.exe
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Size
356KB
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MD5
c3fd40f62d9b66dc9907f57cb51dfc02
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SHA1
4c315086caa77760f3a5439fd06b33d31dd5ee9f
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SHA256
b9c36da42919719dcadd5252cb675cad35f0f63566b24a7a95fc0f5dfddb5497
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SHA512
866cb2a6489ec04c3e649ff8e8a6af777cd4435eec624080d8aaca529d00362cf094c7727d48f5b003d3a5ef4f1160de09059782be6d40e33c6d3923dffb413f
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SSDEEP
6144:L0ntBIKD2SJMzsdRytZNYvzMsKTBhoR/wHD3IRopPMM2QAxWaqJJzdk6ceh9X3PL:stfD2S+FeZesOR27hCfk6ceXs650
Malware Config
Extracted
snakekeylogger
Protocol: smtp- Host:
posta.ni.net.tr - Port:
587 - Username:
[email protected] - Password:
nilya1957 - Email To:
[email protected]
Signatures
-
Snake Keylogger
Keylogger and Infostealer first seen in November 2020.
-
Snake Keylogger payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/2308-8-0x0000000000400000-0x0000000000424000-memory.dmp family_snakekeylogger -
Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\Software\Microsoft\Office\15.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe Key opened \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
Processes:
flow ioc 4 checkip.dyndns.org -
Suspicious use of SetThreadContext 1 IoCs
Processes:
KH098765680000000.exedescription pid process target process PID 4356 set thread context of 2308 4356 KH098765680000000.exe InstallUtil.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
InstallUtil.exepid process 2308 InstallUtil.exe 2308 InstallUtil.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes:
InstallUtil.exedescription pid process Token: SeDebugPrivilege 2308 InstallUtil.exe -
Suspicious use of WriteProcessMemory 8 IoCs
Processes:
KH098765680000000.exedescription pid process target process PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe PID 4356 wrote to memory of 2308 4356 KH098765680000000.exe InstallUtil.exe -
outlook_office_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe -
outlook_win_path 1 IoCs
Processes:
InstallUtil.exedescription ioc process Key opened \REGISTRY\USER\S-1-5-21-356073083-3299209671-3108880702-1000\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 InstallUtil.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\KH098765680000000.exe"C:\Users\Admin\AppData\Local\Temp\KH098765680000000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4356 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exeC:\Windows\Microsoft.NET\Framework\v4.0.30319\InstallUtil.exe2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
PID:2308